What is the difference between irrational and rational

To understand, first we need to know what an integer is
an integer is like -4,-3,-2,-1,0,1,2,3,4. so counting number and 0 and the negatives, no fractions or decimals

rational numbers are number that can be written in form where a and b are integers and b≠0

some examples of rational numbers are -4=-4/1, 1/2, 0.5=1/2, 0.3333333333333333=1/3, etc

irrational numbers are number that can't be written in form where a and b are integers and b≠0

some examples are π and √2

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